package jdbc;

import java.io.IOException;
import java.sql.SQLException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class teacherluru
 */
@WebServlet("/src/teacherluru")
public class teacherluru extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public teacherluru() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		response.getWriter().append("Served at: ").append(request.getContextPath());
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		response.setHeader("Access-Control-Allow-Origin", "*");//模板
	    response.setHeader("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE");//模板
	    response.setHeader("Access-Control-Allow-Headers", "Content-Type");//模板
	    //设置编码格式
	    request.setCharacterEncoding("UTF-8");//模板
	    response.setCharacterEncoding("UTF-8");//模板
	
	    String student_id = request.getParameter("student_id");
	    String course_id = request.getParameter("course_id");
	    String score = request.getParameter("score");
	    int score1 = Integer.parseInt(score);
	    hello a = new hello();//模板
	    try {//模板
			a.doupdate("UPDATE sc SET score = ? WHERE student_id= ? and course_id = ?",score1,student_id,course_id);
			response.getWriter().write("true");	
		
		} catch (SQLException e) {//模板
			e.printStackTrace();//模板
		}//模板
	}

}
